diff --git a/datalink814_ge/src/linklayer/time_sync.c b/datalink814_ge/src/linklayer/time_sync.c
index 78698cc..94e1579 100644
--- a/datalink814_ge/src/linklayer/time_sync.c
+++ b/datalink814_ge/src/linklayer/time_sync.c
@@ -51,6 +51,7 @@ int32_t L2_TimeAlign(L2_INST *instPtr, uint32_t frameNum, uint32_t slotNum, bool
 	lastRecvdFrame = Phy_GetLastRecvFrameType(instPtr->config.phyInstPtr);
 	if (lastRecvdFrame == L1_NONE_FRAME)
 	{
+		DBG_ERROR("Invalid TimeAlign operation, no frame was received.");
 		return EIGNORE;
 	}